2n-7n=12+n

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Solution for 2n-7n=12+n equation: 



2n-7n=12+n

We move all terms to the left:

2n-7n-(12+n)=0

We add all the numbers together, and all the variables

2n-7n-(n+12)=0

We add all the numbers together, and all the variables

-5n-(n+12)=0

We get rid of parentheses

-5n-n-12=0

We add all the numbers together, and all the variables

-6n-12=0

We move all terms containing n to the left, all other terms to the right

-6n=12

n=12/-6

n=-2

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